Tire tread



FIG. 1 is a perspective view of a tire tread;

FIG. 2 is side view thereof; and,

FIG. 3 is a front view thereof.

The broken line showings of the remainder of sidewall and inner bead are included for the purpose of illustrating environment and form no part of the claim. 

CLAIM The ornamental design for tire tread, as shown and described. 